: For a professional, high-precision clock without third-party software, you can use a small piece of code.
These add-ins provide resizable, customizable countdowns and live clocks that run automatically in slideshow mode. Download Clock For Powerpoint
: This clock only updates when you change slides ; it does not tick second-by-second while you stay on a single slide. Why Use a Live Clock in Presentations? Want as slide with a real tine live clock : For a professional
: PowerPoint has a built-in feature under Insert > Date & Time . Check the box for Update automatically . high-precision clock without third-party software
Save your file as a .
Enable the tab in settings and create a new macro named "Clock".